package com.lmk;

public class Calc {
    String name;
    public  int mul(int a, int b){
        int c=a*b;
        return c;
    }
    public  int sum(int a, int b){
      int c=a+b;
      return c;

    }
    public  int  sub(int x,int y){
        int z=x-y;
        return z;
    }

    public static void main(String[] args) {
        Calc calc=new Calc();
        calc.name="超级计算器";

        int a=22;
        int b=33;
        int c= calc.mul(a,b);
        System.out.println(c);
        int d=calc.sub(a,b);
    }
}
